from adafruit_blinka.microcontroller.allwinner.a64.pin import Pin
elif detector.chip.A33:
from adafruit_blinka.microcontroller.allwinner.a33.pin import Pin
+elif detector.chip.A20:
+ from adafruit_blinka.microcontroller.allwinner.a20.pin import Pin
elif detector.chip.MIPS24KEC:
from adafruit_blinka.microcontroller.mips24kec.pin import Pin
elif detector.chip.RK3308: